Clamav 0 102 4

Author: d | 2025-04-24

Clamav Clamav version 1.0.0 security vulnerabilities, CVEs, exploits, vulnerability statistics, CVSS scores and references 1 0 0 1 0 2025: 0 0 0 1 0 Total 1 2 This page lists vulnerability statistics for CVEs published in the last ten years, if any, for Clamav Clamav 1.0.0 . Vulnerability statistics provide a ClamAV 0.105.1 (Bản chuẩn cuối) - Download; ClamAV 0.105.0 - Download; ClamAV 0.105.0 rc - Download; ClamAV 0.104.2 - Download; ClamAV 0.104.1 - Download; ClamAV 0.104.0 - Download; ClamAV 0.104.0 rc 2 - Download; ClamAV 0.103.3 - Download; ClamAV 0.

Mailing List Archive: [clamav-users] ClamAV blog: ClamAV 0.

"big endian, 4 bytes: {0} 201326592""DEBUG" 4020 "2022-02-10 13:28:39.719" "No virus detected: INSTREAM size limit exceeded. ERROR""DEBUG" 4020 "2022-02-10 13:28:39.723" "Connecting to ClamAV virus scanner...""DEBUG" 4020 "2022-02-10 13:28:39.725" "big endian, 4 bytes: {0} 201326592""DEBUG" 4020 "2022-02-10 13:28:39.751" "No virus detected: INSTREAM size limit exceeded. ERROR" SørenR.Woke is Marxism advancing through Maoist cultural revolution. RvdH Senior user Posts: 3650 Joined: 2008-06-27 14:42 Location: The Netherlands Re: BUG: ClamAV 0.104.0 does not work Post by RvdH » 2022-02-10 14:30 SorenR wrote: 2022-02-10 14:17RvdH wrote: 2022-02-10 14:05What if you LOG_DEBUG that value? Just the check if it holds proper values...not behind my PC right now, so can not checkLOG_DEBUG(Formatter::Format("big endian, 4 bytes: {0}", to_string(htonl(sizeof(*pBuf)))));Chunk size is 4096 (int), 4096 in hex is "0x1000" and Big Endian should be "0x0001" No ??Would the problem not be to_string()? CIDR to RegEx: d-fault.nl/cidrtoregexDNS Lookup: d-fault.nl/dnstoolsDKIM Generator: d-fault.nl/dkimgeneratorDNSBL Lookup: d-fault.nl/dnsbllookupGEOIP Lookup: d-fault.nl/geoiplookup SorenR Senior user Posts: 6413 Joined: 2006-08-21 15:38 Location: Denmark Re: BUG: ClamAV 0.104.0 does not work Post by SorenR » 2022-02-10 14:49 RvdH wrote: 2022-02-10 14:30SorenR wrote: 2022-02-10 14:17RvdH wrote: 2022-02-10 14:05What if you LOG_DEBUG that value? Just the check if it holds proper values...not behind my PC right now, so can not checkLOG_DEBUG(Formatter::Format("big endian, 4 bytes: {0}", to_string(htonl(sizeof(*pBuf)))));Chunk size is 4096 (int), 4096 in hex is "0x1000" and Big Endian should be "0x0001" No ??Would the problem not be to_string()?I think I'm mixing apples and pears... LOG_DEBUG("size of *pBuf " + to_string(sizeof(pBuf)));Code: Select all"DEBUG" 2916 "2022-02-10 13:38:28.703" "size of *pBuf 12"Code: Select allconst int STREAM_BLOCK_SIZE = 4096;std::shared_ptr pBuf = oFile.ReadChunk(STREAM_BLOCK_SIZE); SørenR.Woke is Marxism advancing through Maoist cultural revolution. jemm971 New user Posts: 5 Joined: 2020-10-07 23:15 Re: BUG: ClamAV 0.104.0 does not work Post by jemm971 » 2022-02-18 20:40 I have the same trouble since my upgrade of clamAV in the 0.104.2.0 version : I get a UNKNOWN RESPOND when I make a test of ClamAV in hMailServer.So I also upgrated to the last hMailServer version (5.6. , but still the same trouble.Finally I came back to my previous ClamAV version (0.102.2.0), which was working well. But in this version the freshclam doesn't

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Send byte stream across machine boundaries. // Receive byte stream from beyond machine boundaries. Console.WriteLine(BitConverter.ToString(bytes)); if (BitConverter.IsLittleEndian) Array.Reverse(bytes); Console.WriteLine(BitConverter.ToString(bytes)); int result = BitConverter.ToInt32(bytes, 0); Console.WriteLine("Original value: {0}", value); Console.WriteLine("Returned value: {0}", result); }}// The example displays the following output on a little-endian system:// 4E-61-BC-00// 00-BC-61-4E// 00-BC-61-4E// 4E-61-BC-00// Original value: 12345678// Returned value: 12345678Here is a complete clamav client wrapper written in C# ... #L238-L294htonl is the equivalent for "network-byte-order" in c++ as it seemsYou use either (newline escaped/delimited)or (zero escaped/delimited)workflow:1. send the INSTREAM command: zINSTREAM\0, or nINSTREAM\n2. send (big endian, 4 bytes)3. send the chunk of data corresponding to the above length4. repeat at 2 as long as you have more blocks to send5. send a 0-length block to mark end of stream6. get response CIDR to RegEx: d-fault.nl/cidrtoregexDNS Lookup: d-fault.nl/dnstoolsDKIM Generator: d-fault.nl/dkimgeneratorDNSBL Lookup: d-fault.nl/dnsbllookupGEOIP Lookup: d-fault.nl/geoiplookup SorenR Senior user Posts: 6413 Joined: 2006-08-21 15:38 Location: Denmark Re: BUG: ClamAV 0.104.0 does not work Post by SorenR » 2022-02-10 13:53 RvdH wrote: 2022-02-10 09:36Here is a complete clamav client wrapper written in C# ... #L238-L294htonl is the equivalent for "network-byte-order" in c++ as it seemsYou use either (newline escaped/delimited)or (zero escaped/delimited)workflow:1. send the INSTREAM command: zINSTREAM\0, or nINSTREAM\n2. send (big endian, 4 bytes)3. send the chunk of data corresponding to the above length4. repeat at 2 as long as you have more blocks to send5. send a 0-length block to mark end of stream6. get responseHmm... Something's fishy...ClamAV log:Code: Select allThu Feb 10 12:40:20 2022 -> WARNING: INSTREAM: Size limit reached, (requested: 842019123, max: 26214400)Thu Feb 10 12:40:20 2022 -> WARNING: INSTREAM: Size limit reached, (requested: 842019123, max: 26214400)Code change...Code: Select all VirusScanningResult ClamAVVirusScanner::Scan(const String &hostName, int primaryPort, const String &sFilename) { LOG_DEBUG("Connecting to ClamAV virus scanner..."); int streamPort = 0; TimeoutCalculator calculator; SynchronousConnection commandConnection(calculator.Calculate(IniFileSettings::Instance()->GetClamMinTimeout(), IniFileSettings::Instance()->GetClamMaxTimeout())); if (!commandConnection.Connect(hostName, primaryPort)) { return VirusScanningResult(_T("ClamAVVirusScanner::Scan"), Formatter::Format("Unable to connect to ClamAV server at {0}:{1}.", hostName, primaryPort)); } if (!commandConnection.Write("nINSTREAM\n")) return VirusScanningResult("ClamAVVirusScanner::Scan", "Unable to write STREAM command."); AnsiString readData; // Send the file on the stream socket. File oFile; if (!oFile.Open(sFilename, File::OTReadOnly)) { String sErrorMsg = Formatter::Format("Could not send file {0} via socket since it

Bug : clamav 0.102.2dfsg-0~deb9u1 flagged for

ClamAV je antivirusni softver otvorenog kodaCisco je predstavio lansiranje nove verzije antivirusnog paketa ClamAV 1.0.0, čija je verzija poznata po prelasku na tradicionalno numeriranje izdanja "Major.Minor.Patch" (umjesto 0.Version.Patch).Ono važnoPromjena verzije također je posljedica promjena u biblioteci libclamav koji prekidaju ABI kompatibilnost uklanjanjem prostora imena CLAMAV_PUBLIC, mijenjanjem vrste argumenata u funkciji cl_strerror i uključivanjem simbola za jezik Rust u prostoru imena.Podružnica 1.0.0 klasificira se kao dugoročna podrška (LTS) i održava se tri godine. Izdanje ClamAV 1.0.0 zamijenit će prethodnu LTS granu ClamAV 0.103, za koju će ažuriranja s popravcima za ranjivosti i kritične probleme biti objavljena do rujna 2023.Ažuriranja za obične ne-LTS grane objavljuju se najmanje 4 mjeseca nakon prvog izdanja sljedeće grane. Mogućnost preuzimanja baze podataka potpisa za lokacije koje nisu LTS također je dostupna još najmanje 4 mjeseca nakon pokretanja sljedeće lokacije.ClamAV 1.0 Glavne nove značajkeU ovoj novoj verziji koja dolazi iz ClamAV 1.0.0 kod je ponovno napisan s implementacijom načina svih podudaranja, u kojem se utvrđuju sva podudaranja u datoteci, tj. skeniranje se nastavlja nakon prvog podudaranja. novi kod označen je kao pouzdaniji i lakši za održavanje.Nova implementacija također otklanja niz zabluda koji se pojavljuju kada se potpisi provjeravaju u načinu potpunog podudaranja. Dodani testovi za provjeru ispravnosti ponašanja svih utakmica.Uz to se ističe i da značajno ubrzao kompilaciju jediničnog testa za biblioteku libclamav-Rust. Moduli ClamAV napisani u Rustu sada su integrirani u zajednički direktorij s ClamAV-om.Ograničenja su minimizirana pri provjeri preklapajućih zapisa u ZIP arhivama, što je omogućilo uklanjanje lažnih upozorenja pri obradi malo modificiranih, ali ne i zlonamjernih JAR datoteka.Uz to, međugradnja definira minimalnu i maksimalnu podržanu verziju LLVM-a. Pokušaj izrade s verzijom koja je prestara ili prenova sada će rezultirati upozorenjem o pogrešci o problemima s kompatibilnošću.Kompajliranje s vašim vlastitim RPATH popisom je dopušteno (popis direktorija iz kojih se učitavaju dijeljene biblioteke), koji omogućuje premještanje izvršnih datoteka na drugo mjesto nakon što su kompilirane u razvojnom okruženju.Od ostalih promjena koji se ističu u novoj verziji:Dodana podrška za dekriptiranje XLS datoteka samo za čitanje baziranih na OLE2 šifriranih zadanom lozinkom.Povratni poziv clcb_file_inspection() dodan je API-ju za povezivanje kontrolera koji provjeravaju sadržaj datoteka, uključujući one ekstrahirane iz. Clamav Clamav version 1.0.0 security vulnerabilities, CVEs, exploits, vulnerability statistics, CVSS scores and references 1 0 0 1 0 2025: 0 0 0 1 0 Total 1 2 This page lists vulnerability statistics for CVEs published in the last ten years, if any, for Clamav Clamav 1.0.0 . Vulnerability statistics provide a ClamAV 0.105.1 (Bản chuẩn cuối) - Download; ClamAV 0.105.0 - Download; ClamAV 0.105.0 rc - Download; ClamAV 0.104.2 - Download; ClamAV 0.104.1 - Download; ClamAV 0.104.0 - Download; ClamAV 0.104.0 rc 2 - Download; ClamAV 0.103.3 - Download; ClamAV 0.

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If(regex_match(readData.c_str(), what, expression)) { LOG_DEBUG("Virus detected: " + what[1]); return VirusScanningResult(VirusScanningResult::VirusFound, String(what[1])); } else { LOG_DEBUG("No virus detected: " + readData); return VirusScanningResult(VirusScanningResult::NoVirusFound, Formatter::Format("Result: {0}", readData)); } } catch (std::runtime_error &) // regex_match will throw runtime_error if regexp is too complex. { return VirusScanningResult("ClamAVVirusScanner::Scan", "Unable to parse regular expression."); } }This is very wrong or only a little wrong ?;-)if (!commandConnection.Write(to_string(htonl(sizeof(*pBuf))))) Attachments SørenR.Woke is Marxism advancing through Maoist cultural revolution. RvdH Senior user Posts: 3657 Joined: 2008-06-27 14:42 Location: The Netherlands Re: BUG: ClamAV 0.104.0 does not work Post by RvdH » 2022-02-10 14:05 What if you LOG_DEBUG that value? Just the check if it holds proper values...not behind my PC right now, so can not checkLOG_DEBUG(Formatter::Format("big endian, 4 bytes: {0}", to_string(htonl(sizeof(*pBuf))))); CIDR to RegEx: d-fault.nl/cidrtoregexDNS Lookup: d-fault.nl/dnstoolsDKIM Generator: d-fault.nl/dkimgeneratorDNSBL Lookup: d-fault.nl/dnsbllookupGEOIP Lookup: d-fault.nl/geoiplookup SorenR Senior user Posts: 6414 Joined: 2006-08-21 15:38 Location: Denmark Re: BUG: ClamAV 0.104.0 does not work Post by SorenR » 2022-02-10 14:17 RvdH wrote: 2022-02-10 14:05What if you LOG_DEBUG that value? Just the check if it holds proper values...not behind my PC right now, so can not checkLOG_DEBUG(Formatter::Format("big endian, 4 bytes: {0}", to_string(htonl(sizeof(*pBuf)))));Chunk size is 4096 (int), 4096 in hex is "0x1000" and Big Endian should be "0x0001" No ?? SørenR.Woke is Marxism advancing through Maoist cultural revolution. SorenR Senior user Posts: 6414 Joined: 2006-08-21 15:38 Location: Denmark Re: BUG: ClamAV 0.104.0 does not work Post by SorenR » 2022-02-10 14:30 Hmm....Code: Select all"DEBUG" 4020 "2022-02-10 13:28:39.698" "Connecting to ClamAV virus scanner...""DEBUG" 4020 "2022-02-10 13:28:39.701" "big endian, 4 bytes: {0} 201326592""DEBUG" 4020 "2022-02-10 13:28:39.719" "No virus detected: INSTREAM size limit exceeded. ERROR""DEBUG" 4020 "2022-02-10 13:28:39.723" "Connecting to ClamAV virus scanner...""DEBUG" 4020 "2022-02-10 13:28:39.725" "big endian, 4 bytes: {0} 201326592""DEBUG" 4020 "2022-02-10 13:28:39.751" "No virus detected: INSTREAM size limit exceeded. ERROR" SørenR.Woke is Marxism advancing through Maoist cultural revolution. RvdH Senior user Posts: 3657 Joined: 2008-06-27 14:42 Location: The Netherlands Re: BUG: ClamAV 0.104.0 does not work Post by RvdH » 2022-02-10 14:30 SorenR wrote: 2022-02-10 14:17RvdH wrote: 2022-02-10 14:05What if you LOG_DEBUG that value? Just the check if it holds proper values...not behind my PC right now, so can not checkLOG_DEBUG(Formatter::Format("big endian, 4 bytes: {0}", to_string(htonl(sizeof(*pBuf)))));Chunk size is 4096 (int), 4096 in hex is "0x1000" and Big Endian should be "0x0001" No ??Would the problem not be to_string()? CIDR to RegEx: d-fault.nl/cidrtoregexDNS Lookup: d-fault.nl/dnstoolsDKIM Generator: d-fault.nl/dkimgeneratorDNSBL Lookup: d-fault.nl/dnsbllookupGEOIP Lookup: d-fault.nl/geoiplookup SorenR Senior user Posts: 6414

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Returned value: 12345678Here is a complete clamav client wrapper written in C# ... #L238-L294htonl is the equivalent for "network-byte-order" in c++ as it seemsYou use either (newline escaped/delimited)or (zero escaped/delimited)workflow:1. send the INSTREAM command: zINSTREAM\0, or nINSTREAM\n2. send (big endian, 4 bytes)3. send the chunk of data corresponding to the above length4. repeat at 2 as long as you have more blocks to send5. send a 0-length block to mark end of stream6. get response CIDR to RegEx: d-fault.nl/cidrtoregexDNS Lookup: d-fault.nl/dnstoolsDKIM Generator: d-fault.nl/dkimgeneratorDNSBL Lookup: d-fault.nl/dnsbllookupGEOIP Lookup: d-fault.nl/geoiplookup SorenR Senior user Posts: 6414 Joined: 2006-08-21 15:38 Location: Denmark Re: BUG: ClamAV 0.104.0 does not work Post by SorenR » 2022-02-10 13:53 RvdH wrote: 2022-02-10 09:36Here is a complete clamav client wrapper written in C# ... #L238-L294htonl is the equivalent for "network-byte-order" in c++ as it seemsYou use either (newline escaped/delimited)or (zero escaped/delimited)workflow:1. send the INSTREAM command: zINSTREAM\0, or nINSTREAM\n2. send (big endian, 4 bytes)3. send the chunk of data corresponding to the above length4. repeat at 2 as long as you have more blocks to send5. send a 0-length block to mark end of stream6. get responseHmm... Something's fishy...ClamAV log:Code: Select allThu Feb 10 12:40:20 2022 -> WARNING: INSTREAM: Size limit reached, (requested: 842019123, max: 26214400)Thu Feb 10 12:40:20 2022 -> WARNING: INSTREAM: Size limit reached, (requested: 842019123, max: 26214400)Code change...Code: Select all VirusScanningResult ClamAVVirusScanner::Scan(const String &hostName, int primaryPort, const String &sFilename) { LOG_DEBUG("Connecting to ClamAV virus scanner..."); int streamPort = 0; TimeoutCalculator calculator; SynchronousConnection commandConnection(calculator.Calculate(IniFileSettings::Instance()->GetClamMinTimeout(), IniFileSettings::Instance()->GetClamMaxTimeout())); if (!commandConnection.Connect(hostName, primaryPort)) { return VirusScanningResult(_T("ClamAVVirusScanner::Scan"), Formatter::Format("Unable to connect to ClamAV server at {0}:{1}.", hostName, primaryPort)); } if (!commandConnection.Write("nINSTREAM\n")) return VirusScanningResult("ClamAVVirusScanner::Scan", "Unable to write STREAM command."); AnsiString readData; // Send the file on the stream socket. File oFile; if (!oFile.Open(sFilename, File::OTReadOnly)) { String sErrorMsg = Formatter::Format("Could not send file {0} via socket since it does not exist.", sFilename); return VirusScanningResult("ClamAVVirusScanner::Scan", sErrorMsg); } const int STREAM_BLOCK_SIZE = 4096; const int maxIterations = 100000; for (int i = 0; i pBuf = oFile.ReadChunk(STREAM_BLOCK_SIZE); if (!pBuf) break; // Send the request. if (!commandConnection.Write(to_string(htonl(sizeof(*pBuf))))) return VirusScanningResult("ClamAVVirusScanner::Scan", "Unable to write data to stream port."); if (!commandConnection.Write(*pBuf)) return VirusScanningResult("ClamAVVirusScanner::Scan", "Unable to write data to stream port."); } if (!commandConnection.Write(to_string(htonl(0)))) return VirusScanningResult("ClamAVVirusScanner::Scan", "Unable to write data to stream port."); if (!commandConnection.ReadUntil("\n", readData)) return VirusScanningResult("ClamAVVirusScanner::Scan", "Unable to read response (after streaming)."); readData.TrimRight("\n"); // Parse the response and see if a virus was reported. try { const regex expression("^stream.*: (.*) FOUND$"); cmatch what;

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--------------------------------------freshclam daemon 1.0.6 (OS: Linux, ARCH: x86_64, CPU: x86_64)ClamAV update process started at Wed Nov 13 22:58:39 2024daily database available for update (local version: 26951, remote version: 27457)WARNING: downloadFile: file not found: downloadPatch: Can't download daily-26952.cdiff from downloadFile: file not found: downloadPatch: Can't download daily-26952.cdiff from downloadFile: file not found: downloadPatch: Can't download daily-26952.cdiff from Incremental update failed, trying to download daily.cvdTesting database: '/opt/zimbra/data/clamav/db/tmp.c6c4bde2c0/clamav-71471ba8e88d7cef2c3289b824b9a580.tmp-daily.cvd' ...Database test passed.daily.cvd updated (version: 27457, sigs: 2067892, f-level: 90, builder: raynman)main.cvd database is up-to-date (version: 62, sigs: 6647427, f-level: 90, builder: sigmgr)bytecode database available for update (local version: 334, remote version: 335)Testing database: '/opt/zimbra/data/clamav/db/tmp.c6c4bde2c0/clamav-186b71904808f37c645f8065a09869ff.tmp-bytecode.cld' ...Database test passed.bytecode.cld updated (version: 335, sigs: 86, f-level: 90, builder: raynman)Clamd successfully notified about the update. GET /daily-26952.cdiff HTTP/2> Host: database.clamav.net> User-Agent: curl/7.61.1> Accept: */*>* TLSv1.3 (IN), TLS handshake, [no content] (0):* TLSv1.3 (IN), TLS handshake, Newsession Ticket (4):* TLSv1.3 (IN), TLS handshake, Newsession Ticket (4):* TLSv1.3 (IN), TLS app data, [no content] (0):* Connection state changed (MAX_CONCURRENT_STREAMS == 100)!* TLSv1.3 (OUT), TLS app data, [no content] (0):* TLSv1.3 (IN), TLS app data, [no content] (0): Attention Required! | Cloudflarebody{margin:0;padding:0} if (!navigator.cookieEnabled) { window.addEventListener('DOMContentLoaded', function () { var cookieEl = document.getElementById('cookie-alert'); cookieEl.style.display = 'block'; }) } Please enable cookies.* TLSv1.3 (IN), TLS app data, [no content] (0): Sorry, you have been blocked You are unable to access clamav.net Why have I been blocked? This website is using a security service to protect itself from online attacks. The action you just performed triggered the security solution. There are several actions that could trigger this block including submitting a certain word or phrase, a SQL command or malformed data. What can I do to resolve this?* TLSv1.3 (IN), TLS app data, [no content] (0): You can email the site owner to let them know you were blocked. Please include what you were doing when this page came up and the Cloudflare Ray ID found at the bottom of this page. Cloudflare Ray ID: 8e22827bda1f94b7 • Your IP: Click to reveal 88.97.91.208 • Performance & security by Cloudflare * TLSv1.3 (IN), TLS app data, [no content] (0): (function(){function d(){var b=a.getElementById("cf-footer-item-ip"),c=a.getElementById("cf-footer-ip-reveal");b&&"classList"in b&&(b.classList.remove("hidden"),c.addEventListener("click",function(){c.classList.add("hidden");a.getElementById("cf-footer-ip").classList.remove("hidden")}))}var a=document;document.addEventListener&&a.addEventListener("DOMContentLoaded",d)})(); window._cf_translation = {};* TLSv1.3 (IN), TLS app data, [no content] (0):* Connection #0 to host database.clamav.net left intact">curl -v Trying 104.16.219.84...* TCP_NODELAY set* Connected to database.clamav.net (104.16.219.84) port 443 (#0)* ALPN, offering h2* ALPN, offering http/1.1* successfully set certificate verify locations:* CAfile: /etc/pki/tls/certs/ca-bundle.crt CApath: none* TLSv1.3 (OUT), TLS handshake, Client hello (1):* TLSv1.3 (IN), TLS handshake, Server hello (2):* TLSv1.3 (IN), TLS handshake, [no content] (0):* TLSv1.3 (IN), TLS handshake, Encrypted Extensions (8):* TLSv1.3 (IN), TLS handshake, Certificate (11):* TLSv1.3 (IN), TLS handshake, CERT verify (15):* TLSv1.3 (IN), TLS handshake, Finished (20):* TLSv1.3 (OUT), TLS change cipher, Change cipher spec (1):* TLSv1.3 (OUT), TLS handshake, [no content] (0):* TLSv1.3 (OUT), TLS handshake, Finished (20):* SSL connection using TLSv1.3 / TLS_AES_256_GCM_SHA384* ALPN, server accepted to use h2* Server certificate:* subject: CN=database.clamav.net* start date: Oct 8 10:45:45 2024 GMT* expire date: Jan 6 10:45:44 2025 GMT* subjectAltName: host "database.clamav.net" matched cert's "database.clamav.net"* issuer:

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Trying to figure out the Perl pack function ... INSTREAMIt is mandatory to prefix this command with n or z.Scan a stream of data. The stream is sent to clamd in chunks, after INSTREAM, on the same socket on which the command was sent. This avoids the overhead of establishing new TCP connections and problems with NAT. The format of the chunk is: '' where is the size of the following data in bytes expressed as a 4 byte unsigned integer in network byte order and is the actual chunk. Streaming is terminated by sending a zero-length chunk. Note: do not exceed StreamMaxLength as defined in clamd.conf, otherwise clamd will reply with INSTREAM size limit exceeded and close the connection.NB. This is C#...Code: Select allusing System;public class Example{ public static void Main() { int value = 12345678; byte[] bytes = BitConverter.GetBytes(value); Console.WriteLine(BitConverter.ToString(bytes)); if (BitConverter.IsLittleEndian) Array.Reverse(bytes); Console.WriteLine(BitConverter.ToString(bytes)); // Call method to send byte stream across machine boundaries. // Receive byte stream from beyond machine boundaries. Console.WriteLine(BitConverter.ToString(bytes)); if (BitConverter.IsLittleEndian) Array.Reverse(bytes); Console.WriteLine(BitConverter.ToString(bytes)); int result = BitConverter.ToInt32(bytes, 0); Console.WriteLine("Original value: {0}", value); Console.WriteLine("Returned value: {0}", result); }}// The example displays the following output on a little-endian system:// 4E-61-BC-00// 00-BC-61-4E// 00-BC-61-4E// 4E-61-BC-00// Original value: 12345678// Returned value: 12345678Here is a complete clamav client wrapper written in C# ... #L238-L294htonl is the equivalent for "network-byte-order" in c++ as it seemsYou use either (newline escaped/delimited)or (zero escaped/delimited)workflow:1. send the INSTREAM command: zINSTREAM\0, or nINSTREAM\n2. send (big endian, 4 bytes)3. send the chunk of data corresponding to the above length4. repeat at 2 as long as you have more blocks to send5. send a 0-length block to mark end of stream6. get response CIDR to RegEx: d-fault.nl/cidrtoregexDNS Lookup: d-fault.nl/dnstoolsDKIM Generator: d-fault.nl/dkimgeneratorDNSBL Lookup: d-fault.nl/dnsbllookupGEOIP Lookup: d-fault.nl/geoiplookup SorenR Senior user Posts: 6413 Joined: 2006-08-21 15:38 Location: Denmark Re: BUG: ClamAV 0.104.0 does not work Post by SorenR » 2022-02-10 13:53 RvdH wrote: 2022-02-10 09:36Here is a complete clamav client wrapper written in C# ... #L238-L294htonl is the equivalent for "network-byte-order" in c++ as it seemsYou use either (newline escaped/delimited)or (zero escaped/delimited)workflow:1. send the INSTREAM command: zINSTREAM\0, or nINSTREAM\n2. send (big endian, 4 bytes)3. send the chunk of data corresponding to the above length4. repeat at 2 as long as you have more blocks to send5. send a 0-length block to mark end of stream6. get responseHmm... Something's fishy...ClamAV log:Code: Select allThu Feb 10 12:40:20 2022 -> WARNING: INSTREAM: Size limit reached, (requested: 842019123, max: 26214400)Thu Feb 10 12:40:20 2022 -> WARNING: INSTREAM: Size limit reached, (requested: 842019123, max: 26214400)Code change...Code: Select all VirusScanningResult ClamAVVirusScanner::Scan(const String &hostName, int primaryPort, const String &sFilename) { LOG_DEBUG("Connecting to ClamAV virus scanner..."); int streamPort = 0; TimeoutCalculator calculator; SynchronousConnection commandConnection(calculator.Calculate(IniFileSettings::Instance()->GetClamMinTimeout(), IniFileSettings::Instance()->GetClamMaxTimeout())); if (!commandConnection.Connect(hostName, primaryPort)) { return VirusScanningResult(_T("ClamAVVirusScanner::Scan"), Formatter::Format("Unable to connect to ClamAV server at {0}:{1}.", hostName, primaryPort)); } if (!commandConnection.Write("nINSTREAM\n")) return VirusScanningResult("ClamAVVirusScanner::Scan", "Unable to write STREAM command."); AnsiString readData; // Send the file on the stream socket. File oFile; if (!oFile.Open(sFilename, File::OTReadOnly)) { String sErrorMsg = Formatter::Format("Could not send file {0} via socket since it. Clamav Clamav version 1.0.0 security vulnerabilities, CVEs, exploits, vulnerability statistics, CVSS scores and references 1 0 0 1 0 2025: 0 0 0 1 0 Total 1 2 This page lists vulnerability statistics for CVEs published in the last ten years, if any, for Clamav Clamav 1.0.0 . Vulnerability statistics provide a

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Does not exist.", sFilename); return VirusScanningResult("ClamAVVirusScanner::Scan", sErrorMsg); } const int STREAM_BLOCK_SIZE = 4096; const int maxIterations = 100000; for (int i = 0; i pBuf = oFile.ReadChunk(STREAM_BLOCK_SIZE); if (!pBuf) break; // Send the request. if (!commandConnection.Write(to_string(htonl(sizeof(*pBuf))))) return VirusScanningResult("ClamAVVirusScanner::Scan", "Unable to write data to stream port."); if (!commandConnection.Write(*pBuf)) return VirusScanningResult("ClamAVVirusScanner::Scan", "Unable to write data to stream port."); } if (!commandConnection.Write(to_string(htonl(0)))) return VirusScanningResult("ClamAVVirusScanner::Scan", "Unable to write data to stream port."); if (!commandConnection.ReadUntil("\n", readData)) return VirusScanningResult("ClamAVVirusScanner::Scan", "Unable to read response (after streaming)."); readData.TrimRight("\n"); // Parse the response and see if a virus was reported. try { const regex expression("^stream.*: (.*) FOUND$"); cmatch what; if(regex_match(readData.c_str(), what, expression)) { LOG_DEBUG("Virus detected: " + what[1]); return VirusScanningResult(VirusScanningResult::VirusFound, String(what[1])); } else { LOG_DEBUG("No virus detected: " + readData); return VirusScanningResult(VirusScanningResult::NoVirusFound, Formatter::Format("Result: {0}", readData)); } } catch (std::runtime_error &) // regex_match will throw runtime_error if regexp is too complex. { return VirusScanningResult("ClamAVVirusScanner::Scan", "Unable to parse regular expression."); } }This is very wrong or only a little wrong ?;-)if (!commandConnection.Write(to_string(htonl(sizeof(*pBuf))))) Attachments SørenR.Woke is Marxism advancing through Maoist cultural revolution. RvdH Senior user Posts: 3650 Joined: 2008-06-27 14:42 Location: The Netherlands Re: BUG: ClamAV 0.104.0 does not work Post by RvdH » 2022-02-10 14:05 What if you LOG_DEBUG that value? Just the check if it holds proper values...not behind my PC right now, so can not checkLOG_DEBUG(Formatter::Format("big endian, 4 bytes: {0}", to_string(htonl(sizeof(*pBuf))))); CIDR to RegEx: d-fault.nl/cidrtoregexDNS Lookup: d-fault.nl/dnstoolsDKIM Generator: d-fault.nl/dkimgeneratorDNSBL Lookup: d-fault.nl/dnsbllookupGEOIP Lookup: d-fault.nl/geoiplookup SorenR Senior user Posts: 6413 Joined: 2006-08-21 15:38 Location: Denmark Re: BUG: ClamAV 0.104.0 does not work Post by SorenR » 2022-02-10 14:17 RvdH wrote: 2022-02-10 14:05What if you LOG_DEBUG that value? Just the check if it holds proper values...not behind my PC right now, so can not checkLOG_DEBUG(Formatter::Format("big endian, 4 bytes: {0}", to_string(htonl(sizeof(*pBuf)))));Chunk size is 4096 (int), 4096 in hex is "0x1000" and Big Endian should be "0x0001" No ?? SørenR.Woke is Marxism advancing through Maoist cultural revolution. SorenR Senior user Posts: 6413 Joined: 2006-08-21 15:38 Location: Denmark Re: BUG: ClamAV 0.104.0 does not work Post by SorenR » 2022-02-10 14:30 Hmm....Code: Select all"DEBUG" 4020 "2022-02-10 13:28:39.698" "Connecting to ClamAV virus scanner...""DEBUG" 4020 "2022-02-10 13:28:39.701" "big endian, 4 bytes: {0} 201326592""DEBUG" 4020 "2022-02-10 13:28:39.719" "No virus detected: INSTREAM size limit exceeded. ERROR""DEBUG" 4020 "2022-02-10 13:28:39.723" "Connecting to ClamAV virus scanner...""DEBUG" 4020 "2022-02-10 13:28:39.725" "big endian, 4 bytes: {0} 201326592""DEBUG" 4020 "2022-02-10 13:28:39.751" "No virus detected: INSTREAM size limit exceeded. ERROR" SørenR.Woke is Marxism advancing through Maoist cultural revolution. RvdH Senior user Posts: 3650 Joined: 2008-06-27 14:42 Location: The Netherlands Re: BUG: ClamAV 0.104.0 does not work Post by RvdH » 2022-02-10 14:30 SorenR wrote: 2022-02-10 14:17RvdH wrote: 2022-02-10 14:05What if you LOG_DEBUG that value? Just the check if it holds proper values...not behind my PC right now, so can not checkLOG_DEBUG(Formatter::Format("big endian, 4 bytes: {0}", to_string(htonl(sizeof(*pBuf)))));Chunk size is 4096 (int), 4096 in hex is "0x1000" and Big Endian should be "0x0001" No ??Would the problem not be to_string()? CIDR to RegEx: d-fault.nl/cidrtoregexDNS Lookup: d-fault.nl/dnstoolsDKIM Generator: d-fault.nl/dkimgeneratorDNSBL Lookup: d-fault.nl/dnsbllookupGEOIP Lookup: d-fault.nl/geoiplookup SorenR Senior user Posts: 6413

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Does not exist.", sFilename); return VirusScanningResult("ClamAVVirusScanner::Scan", sErrorMsg); } const int STREAM_BLOCK_SIZE = 4096; const int maxIterations = 100000; for (int i = 0; i pBuf = oFile.ReadChunk(STREAM_BLOCK_SIZE); if (!pBuf) break; // Send the request. if (!commandConnection.Write(to_string(htonl(sizeof(*pBuf))))) return VirusScanningResult("ClamAVVirusScanner::Scan", "Unable to write data to stream port."); if (!commandConnection.Write(*pBuf)) return VirusScanningResult("ClamAVVirusScanner::Scan", "Unable to write data to stream port."); } if (!commandConnection.Write(to_string(htonl(0)))) return VirusScanningResult("ClamAVVirusScanner::Scan", "Unable to write data to stream port."); if (!commandConnection.ReadUntil("\n", readData)) return VirusScanningResult("ClamAVVirusScanner::Scan", "Unable to read response (after streaming)."); readData.TrimRight("\n"); // Parse the response and see if a virus was reported. try { const regex expression("^stream.*: (.*) FOUND$"); cmatch what; if(regex_match(readData.c_str(), what, expression)) { LOG_DEBUG("Virus detected: " + what[1]); return VirusScanningResult(VirusScanningResult::VirusFound, String(what[1])); } else { LOG_DEBUG("No virus detected: " + readData); return VirusScanningResult(VirusScanningResult::NoVirusFound, Formatter::Format("Result: {0}", readData)); } } catch (std::runtime_error &) // regex_match will throw runtime_error if regexp is too complex. { return VirusScanningResult("ClamAVVirusScanner::Scan", "Unable to parse regular expression."); } }This is very wrong or only a little wrong ?;-)if (!commandConnection.Write(to_string(htonl(sizeof(*pBuf))))) Attachments SørenR.Woke is Marxism advancing through Maoist cultural revolution. RvdH Senior user Posts: 3650 Joined: 2008-06-27 14:42 Location: The Netherlands Re: BUG: ClamAV 0.104.0 does not work Post by RvdH » 2022-02-10 14:05 What if you LOG_DEBUG that value? Just the check if it holds proper values...not behind my PC right now, so can not checkLOG_DEBUG(Formatter::Format("big endian, 4 bytes: {0}", to_string(htonl(sizeof(*pBuf))))); CIDR to RegEx: d-fault.nl/cidrtoregexDNS Lookup: d-fault.nl/dnstoolsDKIM Generator: d-fault.nl/dkimgeneratorDNSBL Lookup: d-fault.nl/dnsbllookupGEOIP Lookup: d-fault.nl/geoiplookup SorenR Senior user Posts: 6413 Joined: 2006-08-21 15:38 Location: Denmark Re: BUG: ClamAV 0.104.0 does not work Post by SorenR » 2022-02-10 14:17 RvdH wrote: 2022-02-10 14:05What if you LOG_DEBUG that value? Just the check if it holds proper values...not behind my PC right now, so can not checkLOG_DEBUG(Formatter::Format("big endian, 4 bytes: {0}", to_string(htonl(sizeof(*pBuf)))));Chunk size is 4096 (int), 4096 in hex is "0x1000" and Big Endian should be "0x0001" No ?? SørenR.Woke is Marxism advancing through Maoist cultural revolution. SorenR Senior user Posts: 6413 Joined: 2006-08-21 15:38 Location: Denmark Re: BUG: ClamAV 0.104.0 does not work Post by SorenR » 2022-02-10 14:30 Hmm....Code: Select all"DEBUG" 4020 "2022-02-10 13:28:39.698" "Connecting to ClamAV virus scanner...""DEBUG" 4020 "2022-02-10 13:28:39.701". Clamav Clamav version 1.0.0 security vulnerabilities, CVEs, exploits, vulnerability statistics, CVSS scores and references 1 0 0 1 0 2025: 0 0 0 1 0 Total 1 2 This page lists vulnerability statistics for CVEs published in the last ten years, if any, for Clamav Clamav 1.0.0 . Vulnerability statistics provide a ClamAV 0.105.1 (Bản chuẩn cuối) - Download; ClamAV 0.105.0 - Download; ClamAV 0.105.0 rc - Download; ClamAV 0.104.2 - Download; ClamAV 0.104.1 - Download; ClamAV 0.104.0 - Download; ClamAV 0.104.0 rc 2 - Download; ClamAV 0.103.3 - Download; ClamAV 0.

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Joined: 2006-08-21 15:38 Location: Denmark Re: BUG: ClamAV 0.104.0 does not work Post by SorenR » 2022-02-10 14:49 RvdH wrote: 2022-02-10 14:30SorenR wrote: 2022-02-10 14:17RvdH wrote: 2022-02-10 14:05What if you LOG_DEBUG that value? Just the check if it holds proper values...not behind my PC right now, so can not checkLOG_DEBUG(Formatter::Format("big endian, 4 bytes: {0}", to_string(htonl(sizeof(*pBuf)))));Chunk size is 4096 (int), 4096 in hex is "0x1000" and Big Endian should be "0x0001" No ??Would the problem not be to_string()?I think I'm mixing apples and pears... LOG_DEBUG("size of *pBuf " + to_string(sizeof(pBuf)));Code: Select all"DEBUG" 2916 "2022-02-10 13:38:28.703" "size of *pBuf 12"Code: Select allconst int STREAM_BLOCK_SIZE = 4096;std::shared_ptr pBuf = oFile.ReadChunk(STREAM_BLOCK_SIZE); SørenR.Woke is Marxism advancing through Maoist cultural revolution. jemm971 New user Posts: 5 Joined: 2020-10-07 23:15 Re: BUG: ClamAV 0.104.0 does not work Post by jemm971 » 2022-02-18 20:40 I have the same trouble since my upgrade of clamAV in the 0.104.2.0 version : I get a UNKNOWN RESPOND when I make a test of ClamAV in hMailServer.So I also upgrated to the last hMailServer version (5.6. , but still the same trouble.Finally I came back to my previous ClamAV version (0.102.2.0), which was working well. But in this version the freshclam doesn't work anymore, so the virus signature are no more updated.Does anyone find a solution ? SorenR Senior user Posts: 6414 Joined: 2006-08-21 15:38 Location: Denmark Re: BUG: ClamAV 0.104.0 does not work Post by SorenR » 2022-02-18 22:50 I've been running the INSTREAM mod (my version) for almost 1 week now on two servers with 0.103.3. No issues so far.This weekend I'll be upgrading to 0.104.x 64-bit. SørenR.Woke is Marxism advancing through Maoist cultural revolution. RvdH Senior user Posts: 3657 Joined: 2008-06-27 14:42 Location: The Netherlands Re: BUG: ClamAV 0.104.0 does not work Post by RvdH » 2022-02-19 02:53 SorenR wrote: 2022-02-18 22:50I've been running the INSTREAM mod (my version) for almost 1 week now on two servers with 0.103.3. No issues so far.This weekend I'll be upgrading to 0.104.x 64-bit.Me to, custom 5.7.x build, the only thing that bothers me is the 1 line difference between 5.6.x. and 5.7.x that don't compute (you probably know what i am taking about, i adapted your union approach)Maybe make a PR?I already stated i won't be making a PR as the guy requesting it, said it was easy fix....so i'm waiting for his efforts and PR (and as i am still on